Author Putnam, John Jacob, 1873-

Putnam, John Jacob, 1873- Photo
Categories: Nonfiction
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Books by Putnam, John Jacob, 1873-:

Cover The Bacteria of Nebraska Soil With Special Reference to the Fixation of Nitrogen, Annomification, Denitrification And in Non-Protein Media. Including Observations On the Reduction of Nitrates By Soil Bacteria in General
The Bacteria of Nebraska Soil With Special Reference to the Fixation of Nitrogen, Annomification, Denitrification And in Non-Protein Media. Including Observations On the Reduction of Nitrates By Soil Bacteria in General
The Bacteria of Nebraska Soil With Special...
8 / 10
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